Hi Cindy.........RS Prussia (which is what I think you have, is the mark for Reinhold Schlegemilch, Surl, Germany. They produced quality china during the late 1880's. Their china commands high prices, unfortunately it has also been reproduced. You need to post pixs or better yet take it to someone who can tell you whether or not your piece is authentic. Even with a photo it iwould be hard to tell. Seems like anything that is of value has been reproduced at one time or another.
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best............... ..Tim
If your going to burn my flag.........you'll have to wrap yourself in it first.
